var QM_KHBYPASS = String.fromCharCode(63);

function getCookie(w, check_name) {
  // first we'll split this cookie up into name/value pairs
  // note: document.cookie only returns name=value, not the other components
  var a_all_cookies = w.document.cookie.split(';');
  var a_temp_cookie = '';
  var cookie_name = '';
  var cookie_value = '';
  var b_cookie_found = false; // set boolean t/f default f

  for (i = 0; i < a_all_cookies.length; i++) {
    // now we'll split apart each name=value pair
    a_temp_cookie = a_all_cookies[i].split('=');


    // and trim left/right whitespace while we're at it
    cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

    // if the extracted name matches passed check_name
    if (cookie_name == check_name) {
      b_cookie_found = true;
      // we need to handle case where cookie has no value but exists (no = sign, that is):
      if (a_temp_cookie.length > 1) {
        cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
      }
      // note that in cases where cookie is initialized but no value, null is returned
      return cookie_value;
    }
  }
  return null;
}

function setCookie(w, name, value, expires, path, domain, secure) {
  /*
  if the expires variable is set, make the correct
  expires time, the current script below will set
  it for x number of days, to make it for hours,
  delete * 24, for minutes, delete * 60 * 24
  */
  var expires_date;
  if (expires) {
    expires = expires * 1000 * 60 * 60 * 24;
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime(today.getTime());
    expires_date = new Date(today.getTime() + (expires));
  }

  if (path == "") {
    if (w.location.href.indexOf("translate.legislation.gov.hk") >= 0)
      path = "/gb/www.legislation.gov.hk/blis_ind.nsf/";
    else
      path = "/blis_ind.nsf/";
  }

  var s = name + "=" + value;
  if (expires) s += ";expires=" + expires_date.toGMTString();
  if (path) s += ";path=" + path;
  if (domain) s += ";domain=" + domain;
  if (secure) s += ";secure";
  w.document.cookie = s;
}